Lub arsenal ntawm cov txhais tau tias siv los tua cov hluav taws kub yog qhov dav txaus. Qhov twg muaj kav dej, hluav taws kub hydrants tau siv los muab dej xa mus rau qhov chaw tua hluav taws. Cov no yog cov kais dej sab nraud, uas, yog tias tsim nyog, koj tuaj yeem nqa cov kav dej tshwj xeeb kom muab cov dej xa mus rau qhov chaw zoo lossis sau cov tso tsheb hlau luam ntawm lub tshuab hluav taws.
Hluav taws kub hydrant
Cov tshuab hluav taws kub roj yog feem ntau ntsia ncaj qha rau ntawm cov qhov hluav taws xob loj siv cov raj xa dej. Cov cuab yeej tshwj xeeb no tso cai rau koj kom sai thiab tsis muaj qhov cuam tshuam ntau txoj hauv kev tau txais kev siv dej los ntawm qhov chaw nyob ze rau hluav taws. Hydrants tseem siv los sau cov tsheb tua hluav taws nrog dej, tuaj yeem txuag lub sijhawm rau kev sam roj tsheb tshwj xeeb.
Thaum tua hluav taws hauv lub nroog tshiab, cov neeg tua hluav taws yuav tsum nrhiav kom paub sai sai seb qhov twg muaj cov twj siv rau cov chaw xa dej. Hauv cov chaw uas hydrants tau raug ntsia, piv txwv li, ntawm phab ntsa ntawm cov tuam tsev, daim phiaj tshwj xeeb tau txuas nrog, feem ntau nruab nrog txheej xim txheej. Cov phiajcim no, uas yog xim liab, yog cim nrog cov cim thiab naj npawb, los ntawm cov kws tshwj xeeb tuaj yeem txiav txim siab qhov kev ncua deb ntawm daim phaj mus rau qhov chaw ntawm hydrant.
Cov hom hluav taws kub hydrants
Muaj ob qho tseem ceeb ntawm cov khoom siv hluav taws tua hluav taws. Thawj yog qhov thiaj li hu ua qis hydrant. Cov cuab yeej siv nws tus kheej thiab qhov fittings uas tsim nyog rau nws txoj haujlwm yog muab tso rau hauv qhov dej tshwj xeeb, uas, kom muaj kev nyab xeeb thiab yooj yim, tau npog nrog lub hau rau saum. Kev teeb tsa, ib qho dej nkag hauv av muaj peb lub ntsiab lus. Cov no yog cov riser, valve manifold thiab taub hau kev teeb tsa. Tag nrho cov cuab yeej sib sau ua ke yog nruab rau lub taub xa hluav taws xob siv cov ceg.
Cov dej tso rau sab hauv av tuaj yeem ntsia rau ntawm lub rooj sawv ntsug (flange), uas yog cov txheej txheem zoo ntawm lub kav dej. Kev txhim kho qhov yooj yim kuj tseem muaj peev xwm ua tau, thaum lub tshuab dej tsis zais hauv qhov dej, tab sis npog nrog av, tawm ntawm cov khoom siv sab saud rau sab nraud, npog nrog cov ntaub pua plag tshwj xeeb nrog daug. Yog tias tsim nyog, ib kem tau txuas rau sab qaum cov xov nrog.
Lwm hom yog hluav taws kub taub hau. Nws nqa tuaj rau saum npoo av thiab nruab nrog kem los ntawm qhov hluav taws kub hose txuas. Muaj qhov fittings rau ntawm ob sab. Ntau lub hoses tuaj yeem txuas nrog lawv tib lub sijhawm. Txhua hom hydrants tau tsim nyob rau hauv xws li yuav lav tsis kam tiv thaiv cov dej khov thiab cov dej tawm sai tshaj plaws.
Saum toj av hydrants xav tau yooj yim installation thiab suav hais tias yog kim kim. Txij li thaum ua hauj lwm ib feem ntawm lub system nyob rau hauv qhib cua, xws li ib lub hydrant tuaj yeem poob hauv cov huab cua loj heev. Ntxiv rau, cov cuab yeej sab nraud kuj tuaj yeem raug puas los ntawm kev thauj khoom. Feem ntau, cov kab ke zoo li no tsis siv nyob rau sab qaum teb, thiab thaj av yav qab teb ntau lawv sim ua cov ntaub thaiv.
